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The Nationwide House Energy Rating Scheme, or NatHERS, is being expanded to include Whole of Home assessments and ratings to support the proposed National Construction Code energy efficiency requirements for residential buildings in 2022; the changes will help households improve a home's energy efficiency and reduce energy use, which provides a range of benefits including lower energy bills, improved comfort and health for occupants, and reduced carbon emissions.

Assists in understanding the energy efficiency provisions in NCC Volume Two that apply to houses.

Assists in understanding the indoor air quality (IAQ) Verification Methods in NCC Volumes One and Two (F6V1 and F6V2 in NCC Volume One and H4V3 of NCC Volume Two).

Specifies requirements for flood-resistant design and construction of buildings that are subject to the NCC requirements and that are located, in whole or in part, in flood hazard areas.

Assists in understanding the Verification Methods for building in bushfire prone areas in NCC Volumes One and Two (G5V1 in NCC Volume One and H7V2 in NCC Volume Two).

Explains how NatHERS assessments work and is an essential tool for NatHERS assessors.

Specifies requirements for the design, installation, commissioning and maintenance of automatic fire sprinkler systems for one and two family homes.

Specifies requirements for the design, installation and acceptance testing (commissioning) of automatic fire sprinkler systems in accommodation buildings not more than four storeys.

Sets out minimum criteria for the design, installation and commissioning of combined sprinkler and hydrant systems (including fire hose reels where appropriate) in multistorey buildings greater than two storeys in height.